Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 17287 17x28x7mm Steel 2pcs BB Interface-PF30 Tubeless Ready up to 60

Tubeless Ready up to 60 PSI Flat Protection Tread and Sidewall Color Black Defined Color Black ISO Width (mm) 40 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 40 Tire Type Tubeless Ready Clincher PSI 60 / 80 Width 40

Die cast alloy bracket and lever for thumb shift and twist shifter use

Or ride it with drop bars and 29" wheels for some longer distance rough road riding

Includes a dual position silicone coated hanging hook

Wheel extender can secure either the front or back wheel while the mini captures the frame and the immovable object

Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 17287 17x28x7mm Steel 2pcs BB Interface-PF30 Tubeless Ready up to 60The Wheels Manufacturing sealed bearing units are very first quality replacement part, and fit most hubs currently in use. TECH SPECS Bearing Grade ABEC 3 Number MR 17287 Bearing Dimensions 17x28x7mm Material Steel